Other Current Assets (Schedule of Other Current Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Other Current Assets [Abstract]
Indemnification receivable from SSL for pre-closing taxes (see note 13)	$ 2,410	$ 2,410
Due from affiliates	161	217
Prepaid expenses	151	198
Other	510	274
Total other current assets	$ 3,232	$ 3,099